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Statements

Subject Item
n2:RIV%2F61388980%3A_____%2F12%3A00382564%21RIV13-GA0-61388980
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Substituted iron(III)–manganese(III, IV) oxides, ammonio-jarosite and birnessite, were prepared by a homogeneous hydrolysis of potassium permanganate and iron(III) sulphate with 2-chloroacetamide and urea, respectively. Synthesised oxides were characterised using Brunauer–Emmett–Teller (BET) surface area and Barrett–Joiner–Halenda porosity (BJH), X-ray diffraction (XRD), infrared spectroscopy (IR), Raman spectroscopy and scanning electron microscopy (SEM). The oxides were taken for an experimental evaluation of their reactivity against sulphur mustard (HD) and soman (GD). When ammonio-jarosite formation is suppressed by adding urea to the reaction mixture, the reaction products are mixtures of goethite, schwertmannite and ferrihydrite, and their degradation activity against soman considerably increases. The best activities for the degradation of sulphur mustard (97.9% in 64 min) and soman (97.9% in 64 min) were observed for FeMn_75 with 32.6 wt.% Fe (36.8 wt.% Mn) and FeMn_37U with 60.8 wt.% Fe (10.1 wt.% Mn) samples, respectively. Substituted iron(III)–manganese(III, IV) oxides, ammonio-jarosite and birnessite, were prepared by a homogeneous hydrolysis of potassium permanganate and iron(III) sulphate with 2-chloroacetamide and urea, respectively. Synthesised oxides were characterised using Brunauer–Emmett–Teller (BET) surface area and Barrett–Joiner–Halenda porosity (BJH), X-ray diffraction (XRD), infrared spectroscopy (IR), Raman spectroscopy and scanning electron microscopy (SEM). The oxides were taken for an experimental evaluation of their reactivity against sulphur mustard (HD) and soman (GD). When ammonio-jarosite formation is suppressed by adding urea to the reaction mixture, the reaction products are mixtures of goethite, schwertmannite and ferrihydrite, and their degradation activity against soman considerably increases. The best activities for the degradation of sulphur mustard (97.9% in 64 min) and soman (97.9% in 64 min) were observed for FeMn_75 with 32.6 wt.% Fe (36.8 wt.% Mn) and FeMn_37U with 60.8 wt.% Fe (10.1 wt.% Mn) samples, respectively.
dcterms:title
Mesoporous iron–manganese oxides for sulphur mustard and soman degradation Mesoporous iron–manganese oxides for sulphur mustard and soman degradation
skos:prefLabel
Mesoporous iron–manganese oxides for sulphur mustard and soman degradation Mesoporous iron–manganese oxides for sulphur mustard and soman degradation
skos:notation
RIV/61388980:_____/12:00382564!RIV13-GA0-61388980
n17:predkladatel
n18:ico%3A61388980
n3:aktivita
n13:I n13:P
n3:aktivity
I, P(GAP106/12/1116)
n3:cisloPeriodika
12
n3:dodaniDat
n11:2013
n3:domaciTvurceVysledku
n10:5875994 n10:4208994 n10:7549393
n3:druhVysledku
n14:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
149564
n3:idVysledku
RIV/61388980:_____/12:00382564
n3:jazykVysledku
n19:eng
n3:klicovaSlova
nanostructures; chemical synthesis; microstructure; surface poroperties
n3:klicoveSlovo
n4:surface%20poroperties n4:nanostructures n4:chemical%20synthesis n4:microstructure
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[1FC81927A7A8]
n3:nazevZdroje
Materials Research Bulletin
n3:obor
n15:CA
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:projekt
n8:GAP106%2F12%2F1116
n3:rokUplatneniVysledku
n11:2012
n3:svazekPeriodika
47
n3:tvurceVysledku
Štengl, Václav Bludská, Jana Matys Grygar, Tomáš Němec, T. Opluštil, F.
n3:wos
000313851200059
s:issn
0025-5408
s:numberOfPages
9
n16:doi
10.1016/j.materresbull.2012.09.015